Grammarly vs Morgan Stanley Interview Questions

Grammarly lists 30 LeetCode interview questions while Morgan Stanley lists 60. They share 5 problems — 17% of Grammarly's bank and 8% of Morgan Stanley's. Focus on the overlap first, then drill into 25 Grammarly-only and 55 Morgan Stanley-only questions.

Overview

Grammarly

30 questions

Easy 7Medium 19Hard 4
Morgan Stanley

60 questions

Easy 13Medium 40Hard 7

Preparation Strategy

Step 1 — Shared core: Solve the 5 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Grammarly and Morgan Stanley.

Step 2 — Company-specific depth: Add Grammarly-specific problems like Remove All Adjacent Duplicates In String, Search in Rotated Sorted Array, Vowel Spellchecker and Morgan Stanley-specific problems from the exclusive lists below.

Step 3 — Difficulty tuning: Grammarly skews harder in our data. Budget extra time for Hard problems if you are targeting that company.

Difficulty Comparison

Easy
Grammarly
7
Morgan Stanley
13
Medium
Grammarly
19
Morgan Stanley
40
Hard
Grammarly
4
Morgan Stanley
7

Top Shared Topics

5 Shared Questions

High-priority problems to practice for both Grammarly and Morgan Stanley.

ProblemDifficulty
Merge IntervalsMedium
Remove All Adjacent Duplicates in String IIMedium
Generate ParenthesesMedium
Minimum Substring Partition of Equal Character FrequencyMedium
Word SearchMedium

Unique to Grammarly (25)

Problems in Grammarly's list that do not appear at Morgan Stanley.

ProblemDifficulty
Remove All Adjacent Duplicates In StringEasy
Search in Rotated Sorted ArrayMedium
Vowel SpellcheckerMedium
Insert Delete GetRandom O(1)Medium
Climbing StairsEasy
Repeated DNA SequencesMedium
Sqrt(x)Easy
Perfect NumberEasy
Logger Rate LimiterEasy
Sum of Left LeavesEasy
Non-overlapping IntervalsMedium
Search Insert PositionEasy

Unique to Morgan Stanley (55)

Problems in Morgan Stanley's list that do not appear at Grammarly.

ProblemDifficulty
Best Time to Buy and Sell StockEasy
Best Team With No ConflictsMedium
Minimum Number of Lines to Cover PointsMedium
Find the Longest Valid Obstacle Course at Each PositionHard
Minimum Cost to Move Chips to The Same PositionEasy
Find Subarrays With Equal SumEasy
The Employee That Worked on the Longest TaskEasy
Find The Original Array of Prefix XorMedium
Two SumEasy
Delete and EarnMedium
Longest Substring Without Repeating CharactersMedium
Count Subarrays With Fixed BoundsHard

Frequently Asked Questions

How many LeetCode questions do Grammarly and Morgan Stanley share?

Grammarly and Morgan Stanley share 5 LeetCode interview questions. 25 problems appear only in Grammarly's list and 55 appear only in Morgan Stanley's list.

What topics overlap most between Grammarly and Morgan Stanley?

The most common shared topics between Grammarly and Morgan Stanley are String (4 shared questions), Array (2 shared questions), Dynamic Programming (2 shared questions), Backtracking (2 shared questions), Sorting (1 shared questions). Mastering these areas prepares you for both companies.

Which company asks harder LeetCode questions: Grammarly or Morgan Stanley?

Grammarly has 7 Easy, 19 Medium, and 4 Hard questions. Morgan Stanley has 13 Easy, 40 Medium, and 7 Hard questions. Grammarly has a higher proportion of Hard problems in its interview set.

How should I prepare if interviewing at both Grammarly and Morgan Stanley?

Start with the 5 shared problems since they cover what both companies ask most often. Then add 20 Grammarly-specific and 20 Morgan Stanley-specific questions to round out your prep.

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